periaqueductal love


from The American Heritage® Dictionary of the English Language, 4th Edition

  • adj. Situated around the aqueduct of the brain: the periaqueductal gray matter.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • adj. literally surrounding the aqueduct; usually in reference to periaqueductal grey, or some other part of anatomy.


Sorry, no etymologies found.


  • However, as the predator moved closer, the brain activity shifted to a region of the brain responsible for more primitive behaviour, namely the periaqueductal grey.

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  • One example is the region known as the periaqueductal gray PAG, which is a major coordinator of emotional responses.

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  • One important reason breathing affects mood and pain is because of its impact upon a part of the brain known as the periaqueductal gray area, or PAG.

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  • The periaqueductal grey is associated with quick-response survival mechanisms, which include fight, flight and freezing.

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  • Controlled by the periaqueductal grey, an area of grey matter in the mid-brain, known to have a role in the suppression of pain in men but perhaps not in women.

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  • The thalamus and midbrain also showed reductions, including a region - the periaqueductal grey - that plays

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  • Here we show that GABAergic neurons gating PS (PS-off neurons) are principally located in the ventrolateral periaqueductal gray (vlPAG) and the dorsal part of the deep mesencephalic reticular nucleus immediately ventral to it (dDpMe).

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  • Buda C, Kitahama K, Jouvet M (1996) Importance of the ventrolateral region of the periaqueductal gray and adjacent tegmentum in the control of paradoxical sleep as studied by muscimol microinjections in the cat.

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  • All mesencephalic and rostral pontine subdivisions of the periaqueductal gray (PAG) contained a very large number of Fos

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  • Abbreviations: 4, trochlear nucleus; Aq, Sylvius aqueduct; dDpMe, dorsal part of the deep mesencephalic nucleus; DpMe, deep mesencephalic nucleus; DRN, dorsal raphe nucleus; Me5, mesencephalic trigeminal nucleus; mlf, medial longitudinal fasciculus; vlPAG, ventrolateral periaqueductal gray.

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